[FieldTrip] read fif files

Schoffelen, J.M. (Jan Mathijs) jan.schoffelen at donders.ru.nl
Mon May 3 17:57:06 CEST 2021

Dear Bruno,

What’s the syntax of the call to ft_read_header?
Note that the filename should be inputted as a string, so:


rather than


Best wishes,

> On 3 May 2021, at 17:50, Bruno Mansur <brunommansur at gmail.com> wrote:
> Dear fieldtrip group members,
> I have some EEG data that was preprocessed using MNE software and saved in fif format.
> I would like to open it using fieldtrip. The fieldtrip website says that the functions ft_read_header, ft_read_data and ft_read_event are able to read fif files, however I got the following error message when trying to open my files:
> Undefined variable "epochs_OGT_Tfr_p03_2_epo" or class "epochs_OGT_Tfr_p03_2_epo.fif".
> What should I do to import my files to fieldtrip correctly? I would appreciate any contribution.
> (I'm using windows)
> Best,
> Bruno 
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